* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 设置整体页面高度 */
body {
    height: 100%;
    background-image: url(/image/bg.jpg);
    background-size: cover;
    background-repeat: no-repeat;
}
.studio_entry {
    width: 100%;
    height: 60px;
    background-color: rgba(255,128,64);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-left: 80px;
    padding-right: 80px;
    box-shadow: 0 1px 10px 0 #000;
}
.studio_entry a {
    color: #333;
    text-decoration: none;
}
.add-container {
    width: 100%;
    height: 670px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.dialog {
    width:350px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 10px;
}
.dialog h3{
    margin-top:20px;
    height:50px;
    text-align: center;
}
.tracks{
    display: flex;
    justify-content: center;
    align-items: center;
}
#addtrack{
   width: 200px;
   height: 50px;
   color: white;
   background-color: green;
   border: none;
   border-radius: 10px;
   margin-top:20px;
   margin-bottom:20px;
   cursor:pointer;
   font-size: 18px;
}
#addtrack:active {
    background-color: #666;
}